please solve the question and mention the formula too
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None . Obviously ! Because the ball was being dropped not the Packet!
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Answer:
The velocity of the packet is (b) 18m/s .
Explanation:
the initial velocity is (-2)m/s as the balloon is rising up against gravity
the time is 2s and acceleration is 10m/s(appro.) i.e acceleration due to gravity
v=u+at
so, v=-2 +10*2
or, v=18
the velocity is 18m/s
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